Cone of poison: The secret behind the cone snail's venom pump

Thursday, October 28, 2010 - 23:30 in Biology & Nature

Scientists have discovered the secret of how an amazing sea snail injects its venom after shooting a harpoon-like tooth into its prey -- or some unlucky swimmer -- at jetliner speeds. The creatures, called cone snails, use a highly specialized structure that instantly pumps the paralyzing venom through the tooth and into its target.

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